Question: Which kinship has the strongest family relationship degree?
Paraphrase: What kinship has the strongest degree of family relationship?
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q171318 . ?ent wdt:P4500 ?obj } ORDER BY DESC(?obj)LIMIT 5 
Answer: great-great-grandfather, great-grandmother, great-grandfather, paternal great-grandparent, maternal great-grandparent